US Bridges

Airway Blvd SB over Interstate 580

Good

Alameda County, California · 04-ALA-580-14.98 · Structure no. 33 0408L

Built
1972
53 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
324 ft
3 main spans
Daily traffic
21,800
2010 count
Owner
State
State Highway Agency

About this bridge

Airway Blvd SB over Interstate 580 is a prestressed concrete continuous box beam or girders - multiple carrying Airway Blvd SB over Interstate 580 in Alameda County, California. It was built in 1972, so it is 53 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 21,800 vehicles a day, roughly 1% of them trucks, projected to reach 32,712 by 2043. The structure is 324 ft (98.8 m) long and 49 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesAirway Blvd SB
CrossesInterstate 580
Location04-ALA-580-14.98
RouteCounty Highway 0
Coordinates37.70059, -121.81788
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.2 US tons
Inventory rating37.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length324 ft (98.8 m)
Longest span143 ft (43.6 m)
Deck width49 ft (15 m)
Roadway width46 ft (13.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,800 (2010)
Projected traffic32,712 by 2043
Trucks1%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Airway Blvd SB over Interstate 580 built?

It was built in 1972, making it 53 years old in 2025.

What condition is Airway Blvd SB over Interstate 580 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does Airway Blvd SB over Interstate 580 carry?

About 21,800 vehicles per day (2010 count), of which roughly 1% are trucks.

How long is Airway Blvd SB over Interstate 580?

The structure is 324 ft (98.8 m) long with a longest span of 143 ft (43.6 m) and a deck 49 ft wide.

Who owns Airway Blvd SB over Interstate 580?

It is owned by the State Highway Agency.